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“冷辊棒”发明专利侵权案以陶研所胜诉而告一段落。1995年3月10日,广州市中级人民法院分别在佛山和广州两地就此案进行一审判决,认为南海市松岗特种陶瓷厂和南海市西樵金昌陶瓷辊棒厂侵犯佛山市陶瓷研究所发明专利行为成立,以此责令两被告停止侵权行为,赔偿经济损失并赔礼道歉。原告佛山市陶瓷研究所于1993年4月28日就其研制成功的《一种陶瓷辊棒等静压成形方法》向国家专利局申请发明专利。同年9月1日,国家专利局将原告的该项申请刊登公告,并于去年6月1日授予原告发明专利权,优先权日为1992年8月17日。广州市中级人民法院经过审理认为,原告的该项专利是制造陶瓷辊棒的方法发明,其保护范围依法延及使用该专利方法直接获取的产品——陶瓷辊棒。被告松岗厂制造陶瓷辊棒的方法与原告的方法发明专利的必要技术特征相同,落入原告发明专利的保护范
“Cold roller stick” invention patent infringement case to the successful conclusion of Tao Institute come to an end. March 10, 1995, Guangzhou Intermediate People’s Court in Foshan and Guangzhou, respectively, the two cases on the first instance verdict that the Nanhai Songgang Special Ceramics Factory and the South China Sea Xiqiao Jinchang Ceramic Roller Mill infringement Foshan Institute of Ceramics Invention Patent The act was established, whereby the two defendants were ordered to stop the infringement, compensate for the economic loss and apologize. On August 28, 1993, the plaintiff Foshan Ceramics Research Institute applied for a patent for invention to the State Patent Bureau on the successful development of “a ceramic roll bar isostatic pressing method”. On September 1 of the same year, the State Patent Office published the announcement of the plaintiff’s application and granted the plaintiff the patent right on June 1, last year, with the priority date of August 17, 1992. After trial, Guangzhou Intermediate People’s Court held that the patent of the plaintiff was the invention of a method for manufacturing ceramic roller sticks, and its scope of protection was extended according to law to the product directly obtained by using the patent method - ceramic roller sticks. The method of manufacturing the ceramic roller rod by the defendant Songgang Factory was the same as the necessary technical features of the invention patent of the plaintiff, and fell into the protection scope of the plaintiff’s invention patent